A 24 inch computer monitor is good for those who do a lot of graphics work. Be sure that your desk will accommodate this, as it will be a very wide monitor. Usually, monitors come with a PC if you buy it as a package. You might be able to upgrade your monitor to a bigger one and use the credit from the smaller monitor towards your bigger monitor. That way you only pay the difference.

The function of a computer monitor is to display the results of processed data from the CPU. Touch screen monitors are both input and output devices.

how is the first computer monitor

A computer monitor is hardware. It only provides for display.

Monitor is not plugged in or monitor is not plugged in to computer